*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh}
:root{
  --primary:#E8A0B4;--accent:#C41E3A;--bg:#F5F0E8;--card:rgba(255,255,255,.88);
  --text:#4A3728;--muted:#8B7D6B;--border:#E8DFD0;--contact-footer-h:72px;
  --font:'PingFang SC','Microsoft YaHei',sans-serif;
}
.hidden{display:none!important}
.app-shell{max-width:720px;margin:0 auto;padding-bottom:calc(56px + var(--contact-footer-h))}
.tab-bar{display:flex;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:40}
.tab-btn{flex:1;padding:10px 4px;border:none;background:none;font-size:12px;color:var(--muted);cursor:pointer}
.tab-btn.active{color:var(--accent);font-weight:700;border-bottom:2px solid var(--accent)}
.r142-view{display:none;padding:12px 16px}
.r142-view.active{display:block}
.hero{padding:20px 16px;background:linear-gradient(135deg,#E8A0B4,#F2CC8F);color:#4A3728;border-radius:0 0 20px 20px;margin:-12px -16px 16px}
.hero h1{margin:0 0 4px;font-size:22px}
.hero p{margin:0;font-size:13px;opacity:.9}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:16px}
.stat-box{background:var(--card);border-radius:12px;padding:12px;text-align:center;border:1px solid var(--border)}
.stat-box strong{display:block;font-size:20px;color:var(--accent)}
.stat-box span{font-size:11px;color:var(--muted)}
.bday-scroll{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;margin-bottom:12px}
.bday-card{flex:0 0 auto;background:var(--card);border-radius:12px;padding:12px 14px;border:1px solid var(--border);min-width:120px}
.bday-card strong{color:var(--accent)}
.search-input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:999px;background:var(--card);margin-bottom:10px;font-size:14px}
.alpha-wrap{display:flex;gap:8px}
.contact-main{flex:1;min-width:0}
.alpha-index{display:flex;flex-direction:column;gap:2px;font-size:10px;color:var(--muted);padding:4px}
.alpha-index button{border:none;background:none;color:var(--accent);cursor:pointer;padding:2px}
.section-title{font-size:12px;color:var(--muted);margin:12px 0 6px;font-weight:600}
.member-row{display:flex;align-items:center;gap:12px;padding:12px;background:var(--card);border-radius:12px;margin-bottom:8px;border:1px solid var(--border);cursor:pointer}
.avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px;flex-shrink:0;border:2px solid var(--accent)}
.member-row h3{margin:0;font-size:15px}
.member-row p{margin:2px 0 0;font-size:12px;color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%;margin-left:auto}
.btn{display:inline-block;padding:10px 16px;border-radius:10px;border:none;font-weight:600;cursor:pointer;font-size:14px;text-decoration:none;text-align:center}
.btn-primary{background:var(--accent);color:#fff}
.btn-secondary{background:var(--card);border:1px solid var(--border);color:var(--text)}
.btn-block{display:block;width:100%;margin-top:8px}
.btn-sm{padding:6px 12px;font-size:12px}
.fab{position:fixed;right:20px;bottom:calc(var(--contact-footer-h) + 68px);width:52px;height:52px;border-radius:50%;background:var(--accent);color:#fff;border:none;font-size:28px;cursor:pointer;z-index:50;box-shadow:0 4px 16px rgba(196,30,58,.35)}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:200;display:flex;align-items:flex-end;justify-content:center}
.modal-panel{background:var(--bg);width:100%;max-width:720px;max-height:90vh;border-radius:16px 16px 0 0;padding:20px 16px;overflow-y:auto}
.form-label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
.form-input,.form-select,.form-textarea{width:100%;padding:12px;border:1px solid var(--border);border-radius:10px;margin:4px 0 12px;background:#fff;font-size:14px}
.form-textarea{min-height:72px}
.tree-canvas{width:100%;height:320px;border-radius:12px;border:1px solid var(--border);background:var(--card);touch-action:none}
.calc-chain{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0}
.chip{padding:8px 12px;border-radius:999px;border:1px solid var(--border);background:var(--card);cursor:pointer;font-size:13px}
.chip.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.calc-result{background:var(--card);border-radius:12px;padding:16px;text-align:center;border:1px solid var(--border);margin:12px 0}
.calc-result strong{font-size:22px;color:var(--accent)}
.empty{padding:40px;text-align:center;color:var(--muted)}
.r142-toast{position:fixed;bottom:calc(var(--contact-footer-h) + 16px);left:50%;transform:translateX(-50%);background:rgba(0,0,0,.85);color:#fff;padding:10px 18px;border-radius:999px;z-index:999;opacity:0;transition:opacity .2s;font-size:14px}
.r142-toast.show{opacity:1}
.toast-success{background:#065f46}
.toast-error{background:#991b1b}
.confetti{position:fixed;width:8px;height:8px;top:-10px;z-index:300;animation:fall 2s ease forwards}
@keyframes fall{to{transform:translateY(100vh) rotate(540deg);opacity:0}}
body.has-contact-footer{padding-bottom:calc(var(--contact-footer-h) + env(safe-area-inset-bottom))}
body.has-contact-footer .zw-root .zw-fab{bottom:calc(var(--contact-footer-h) + 12px + env(safe-area-inset-bottom))}
.contact-footer{position:fixed;left:0;right:0;bottom:0;z-index:110;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:#1a1a1a;color:#fff;text-align:center}
.contact-footer__btns{display:grid;grid-template-columns:repeat(3,minmax(0,88px));gap:8px;max-width:320px;margin:0 auto 6px;justify-content:center}
.contact-footer__cta,.contact-footer__btn{padding:.48rem .2rem;border-radius:999px;font-size:.72rem;text-decoration:none;border:none;cursor:pointer;display:block;text-align:center}
.contact-footer__cta{background:#c41e1e!important;color:#fff!important}
.contact-footer__btn{background:#333;color:#fff}
.contact-footer__brand{font-size:11px;opacity:.7;margin:0}
.share-main{padding:20px 16px;max-width:480px;margin:0 auto}
.share-card{background:var(--card);border-radius:12px;padding:24px;text-align:center;border:1px solid var(--border)}